summaryrefslogtreecommitdiffstats
path: root/include/linux/iommu-helper.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-10-13 10:52:30 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-13 10:52:30 +0200
commitc493756e2a8a78bcaae30668317890dcfe86e7c3 (patch)
tree8fb40782e79472ed882ff2098d4dd295557278ee /include/linux/iommu-helper.h
parent0d15504f16f68725e4635aa85411015d1c573b0a (diff)
parent4480f15b3306f43bbb0310d461142b4e897ca45b (diff)
downloadtalos-op-linux-c493756e2a8a78bcaae30668317890dcfe86e7c3.tar.gz
talos-op-linux-c493756e2a8a78bcaae30668317890dcfe86e7c3.zip
Merge branch 'linus' into oprofile
Conflicts: arch/x86/kernel/apic_32.c include/linux/pci_ids.h
Diffstat (limited to 'include/linux/iommu-helper.h')
-rw-r--r--include/linux/iommu-helper.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/iommu-helper.h b/include/linux/iommu-helper.h
index c975caf75385..a6d0586e2bf7 100644
--- a/include/linux/iommu-helper.h
+++ b/include/linux/iommu-helper.h
@@ -1,6 +1,20 @@
+#ifndef _LINUX_IOMMU_HELPER_H
+#define _LINUX_IOMMU_HELPER_H
+
+static inline unsigned long iommu_device_max_index(unsigned long size,
+ unsigned long offset,
+ u64 dma_mask)
+{
+ if (size + offset > dma_mask)
+ return dma_mask - offset + 1;
+ else
+ return size;
+}
+
extern int iommu_is_span_boundary(unsigned int index, unsigned int nr,
unsigned long shift,
unsigned long boundary_size);
+extern void iommu_area_reserve(unsigned long *map, unsigned long i, int len);
extern unsigned long iommu_area_alloc(unsigned long *map, unsigned long size,
unsigned long start, unsigned int nr,
unsigned long shift,
@@ -8,3 +22,5 @@ extern unsigned long iommu_area_alloc(unsigned long *map, unsigned long size,
unsigned long align_mask);
extern void iommu_area_free(unsigned long *map, unsigned long start,
unsigned int nr);
+
+#endif
OpenPOWER on IntegriCloud